# frozen_string_literal: true

require('spec_helper')

RSpec.describe ProjectsController, feature_category: :projects do
  include ExternalAuthorizationServiceHelpers
  include ProjectForksHelper
  using RSpec::Parameterized::TableSyntax

  let_it_be(:project, reload: true) { create(:project, :with_export, service_desk_enabled: false) }
  let_it_be(:public_project) { create(:project, :public) }
  let_it_be(:user) { create(:user) }

  let(:jpg) { fixture_file_upload('spec/fixtures/rails_sample.jpg', 'image/jpg') }
  let(:txt) { fixture_file_upload('spec/fixtures/doc_sample.txt', 'text/plain') }

  describe 'GET new' do
    context 'with an authenticated user' do
      let_it_be(:group) { create(:group) }

      before do
        sign_in(user)
      end

      context 'when namespace_id param is present' do
        context 'when user has access to the namespace' do
          it 'renders the template' do
            group.add_owner(user)

            get :new, params: { namespace_id: group.id }

            expect(response).to have_gitlab_http_status(:ok)
            expect(response).to render_template('new')
          end
        end

        context 'when user does not have access to the namespace' do
          it 'responds with status 404' do
            get :new, params: { namespace_id: group.id }

            expect(response).to have_gitlab_http_status(:not_found)
            expect(response).not_to render_template('new')
          end
        end
      end
    end
  end

  describe 'GET index' do
    context 'as a user' do
      it 'redirects to root page' do
        sign_in(user)

        get :index

        expect(response).to redirect_to(root_path)
      end
    end

    context 'as a guest' do
      it 'redirects to Explore page' do
        get :index

        expect(response).to redirect_to(explore_root_path)
      end
    end
  end

  describe "GET #activity as JSON" do
    include DesignManagementTestHelpers
    render_views

    let_it_be(:project) { create(:project, :public, issues_access_level: ProjectFeature::PRIVATE) }

    before do
      enable_design_management
      create(:event, :created, project: project, target: create(:issue))

      sign_in(user)

      request.cookies[:event_filter] = 'all'
    end

    context 'when user has permission to see the event' do
      before do
        project.add_developer(user)
      end

      def get_activity(project)
        get :activity, params: { namespace_id: project.namespace, id: project, format: :json }
      end

      it 'returns count' do
        get_activity(project)

        expect(json_response['count']).to eq(1)
      end

      context 'design events are visible' do
        include DesignManagementTestHelpers
        let(:other_project) { create(:project, namespace: user.namespace) }

        before do
          enable_design_management
          create(:design_event, project: project)
          request.cookies[:event_filter] = EventFilter::DESIGNS
        end

        it 'returns correct count' do
          get_activity(project)

          expect(json_response['count']).to eq(1)
        end
      end
    end

    context 'when user has no permission to see the event' do
      it 'filters out invisible event' do
        get :activity, params: { namespace_id: project.namespace, id: project, format: :json }

        expect(json_response['html']).to eq("\n")
        expect(json_response['count']).to eq(0)
      end
    end
  end

  describe "GET show" do
    context "user not project member" do
      before do
        sign_in(user)
      end

      context "user does not have access to project" do
        let(:private_project) { create(:project, :private) }

        it "does not initialize notification setting" do
          get :show, params: { namespace_id: private_project.namespace, id: private_project }
          expect(assigns(:notification_setting)).to be_nil
        end
      end

      context "user has access to project" do
        before do
          expect(::Gitlab::GitalyClient).to receive(:allow_ref_name_caching).and_call_original
        end

        context "and does not have notification setting" do
          it "initializes notification as disabled" do
            get :show, params: { namespace_id: public_project.namespace, id: public_project }
            expect(assigns(:notification_setting).level).to eq("global")
          end
        end

        context "and has notification setting" do
          before do
            setting = user.notification_settings_for(public_project)
            setting.level = :watch
            setting.save!
          end

          it "shows current notification setting" do
            get :show, params: { namespace_id: public_project.namespace, id: public_project }
            expect(assigns(:notification_setting).level).to eq("watch")
          end
        end

        context 'when there is a tag with the same name as the default branch' do
          let_it_be(:tagged_project) { create(:project, :public, :custom_repo, files: ['somefile']) }
          let(:tree_with_default_branch) do
            branch = tagged_project.repository.find_branch(tagged_project.default_branch)
            project_tree_path(tagged_project, branch.target)
          end

          before do
            tagged_project.repository.create_file(
              tagged_project.creator,
              'file_for_tag',
              'content for file',
              message: "Automatically created file",
              branch_name: 'branch-to-tag'
            )

            tagged_project.repository.add_tag(
              tagged_project.creator,
              tagged_project.default_branch, # tag name
              'branch-to-tag' # target
            )
          end

          it 'redirects to tree view for the default branch' do
            get :show, params: { namespace_id: tagged_project.namespace, id: tagged_project }
            expect(response).to redirect_to(tree_with_default_branch)
          end
        end

        context 'when the default branch name can resolve to another ref' do
          let!(:project_with_default_branch) do
            create(:project, :public, :custom_repo, files: ['somefile']).tap do |p|
              p.repository.create_branch("refs/heads/refs/heads/#{other_ref}", 'master')
              p.change_head("refs/heads/#{other_ref}")
            end.reload
          end

          let(:other_ref) { 'branch-name' }

          context 'but there is no other ref' do
            it 'responds with ok' do
              get :show, params: { namespace_id: project_with_default_branch.namespace, id: project_with_default_branch }
              expect(response).to be_ok
            end
          end

          context 'and that other ref exists' do
            let(:tree_with_default_branch) do
              branch = project_with_default_branch.repository.find_branch(project_with_default_branch.default_branch)
              project_tree_path(project_with_default_branch, branch.target)
            end

            before do
              project_with_default_branch.repository.create_branch(other_ref, 'master')
            end

            it 'redirects to tree view for the default branch' do
              get :show, params: { namespace_id: project_with_default_branch.namespace, id: project_with_default_branch }
              expect(response).to redirect_to(tree_with_default_branch)
            end
          end
        end
      end

      describe "when project repository is disabled" do
        render_views

        before do
          project.add_developer(user)
          project.project_feature.update_attribute(:repository_access_level, ProjectFeature::DISABLED)
        end

        it 'shows wiki homepage' do
          get :show, params: { namespace_id: project.namespace, id: project }

          expect(response).to render_template('projects/_wiki')
        end

        it 'shows issues list page if wiki is disabled' do
          project.project_feature.update_attribute(:wiki_access_level, ProjectFeature::DISABLED)
          create(:issue, project: project)

          get :show, params: { namespace_id: project.namespace, id: project }

          expect(response).to render_template('projects/issues/_issues')
          expect(assigns(:issuable_meta_data)).not_to be_nil
        end

        it 'shows activity page if wiki and issues are disabled' do
          project.project_feature.update_attribute(:wiki_access_level, ProjectFeature::DISABLED)
          project.project_feature.update_attribute(:issues_access_level, ProjectFeature::DISABLED)

          get :show, params: { namespace_id: project.namespace, id: project }

          expect(response).to render_template("projects/_activity")
        end

        it 'shows activity if enabled by user' do
          user.update_attribute(:project_view, 'activity')

          get :show, params: { namespace_id: project.namespace, id: project }

          expect(response).to render_template("projects/_activity")
        end
      end
    end

    context "project with empty repo" do
      let_it_be(:empty_project) { create(:project_empty_repo, :public) }

      before do
        sign_in(user)
      end

      User.project_views.keys.each do |project_view|
        context "with #{project_view} view set" do
          before do
            user.update!(project_view: project_view)

            get :show, params: { namespace_id: empty_project.namespace, id: empty_project }
          end

          it "renders the empty project view" do
            expect(response).to render_template('empty')
          end
        end
      end
    end

    context "project with broken repo" do
      let_it_be(:empty_project) { create(:project, :public) }

      before do
        sign_in(user)
      end

      User.project_views.keys.each do |project_view|
        context "with #{project_view} view set" do
          before do
            user.update!(project_view: project_view)

            get :show, params: { namespace_id: empty_project.namespace, id: empty_project }
          end

          it "renders the empty project view" do
            expect(response).to render_template('projects/no_repo')
          end
        end
      end
    end

    context "rendering default project view" do
      let_it_be(:public_project) { create(:project, :public, :repository) }

      render_views

      def get_show
        get :show, params: { namespace_id: public_project.namespace, id: public_project }
      end

      it "renders the activity view" do
        allow(controller).to receive(:current_user).and_return(user)
        allow(user).to receive(:project_view).and_return('activity')

        get_show

        expect(response).to render_template('_activity')
      end

      it "renders the files view" do
        allow(controller).to receive(:current_user).and_return(user)
        allow(user).to receive(:project_view).and_return('files')

        get_show

        expect(response).to render_template('_files')
      end

      it "renders the readme view" do
        allow(controller).to receive(:current_user).and_return(user)
        allow(user).to receive(:project_view).and_return('readme')

        get_show

        expect(response).to render_template('_readme')
      end

      it 'does not make Gitaly requests', :request_store, :clean_gitlab_redis_cache do
        # Warm up to populate repository cache
        get_show
        RequestStore.clear!

        expect { get_show }.not_to change { Gitlab::GitalyClient.get_request_count }
      end

      it "renders files even with invalid license" do
        invalid_license = ::Gitlab::Git::DeclaredLicense.new(key: 'woozle', name: 'woozle wuzzle')

        controller.instance_variable_set(:@project, public_project)
        expect(public_project.repository).to receive(:license).and_return(invalid_license).at_least(:once)

        get_show

        expect(response).to have_gitlab_http_status(:ok)
        expect(response).to render_template('_files')
        expect(response.body).to have_content('woozle wuzzle')
      end

      describe 'tracking events', :snowplow do
        before do
          allow(controller).to receive(:current_user).and_return(user)
          get_show
        end

        it 'tracks page views' do
          expect_snowplow_event(
            category: 'project_overview',
            action: 'render',
            user: user,
            project: public_project
          )
        end

        context 'when the project is importing' do
          let_it_be(:public_project) { create(:project, :public, :import_scheduled) }

          it 'does not track page views' do
            expect_no_snowplow_event(
              category: 'project_overview',
              action: 'render',
              user: user,
              project: public_project
            )
          end
        end
      end

      describe "PUC highlighting" do
        render_views

        before do
          expect(controller).to receive(:find_routable!).and_return(public_project)
        end

        context "option is enabled" do
          it "adds the highlighting class" do
            expect(public_project).to receive(:warn_about_potentially_unwanted_characters?).and_return(true)

            get_show

            expect(response.body).to have_css(".project-highlight-puc")
          end
        end

        context "option is disabled" do
          it "doesn't add the highlighting class" do
            expect(public_project).to receive(:warn_about_potentially_unwanted_characters?).and_return(false)

            get_show

            expect(response.body).not_to have_css(".project-highlight-puc")
          end
        end
      end
    end

    context "when the url contains .atom" do
      let(:public_project_with_dot_atom) { build(:project, :public, name: 'my.atom', path: 'my.atom') }

      it 'expects an error creating the project' do
        expect(public_project_with_dot_atom).not_to be_valid
      end
    end

    context 'when the project is pending deletions' do
      it 'renders a 404 error' do
        project = create(:project, pending_delete: true)
        sign_in(user)

        get :show, params: { namespace_id: project.namespace, id: project }

        expect(response).to have_gitlab_http_status(:not_found)
      end
    end

    context 'redirection from http://someproject.git' do
      where(:user_type, :project_visibility, :expected_redirect) do
        :anonymous | :public   | :redirect_to_project
        :anonymous | :internal | :redirect_to_signup
        :anonymous | :private  | :redirect_to_signup

        :signed_in | :public   | :redirect_to_project
        :signed_in | :internal | :redirect_to_project
        :signed_in | :private  | nil

        :member | :public   | :redirect_to_project
        :member | :internal | :redirect_to_project
        :member | :private  | :redirect_to_project
      end

      with_them do
        let(:redirect_to_signup) { new_user_session_path }
        let(:redirect_to_project) { project_path(project) }

        let(:expected_status) { expected_redirect ? :found : :not_found }

        before do
          project.update!(visibility: project_visibility.to_s)
          project.team.add_member(user, :guest) if user_type == :member
          sign_in(user) unless user_type == :anonymous
        end

        it 'returns the expected status' do
          get :show, params: { namespace_id: project.namespace, id: project }, format: :git

          expect(response).to have_gitlab_http_status(expected_status)
          expect(response).to redirect_to(send(expected_redirect)) if expected_status == :found
        end
      end
    end

    context 'when project is moved and git format is requested' do
      let(:old_path) { project.path + 'old' }

      before do
        project.redirect_routes.create!(path: "#{project.namespace.full_path}/#{old_path}")

        project.add_developer(user)
        sign_in(user)
      end

      it 'redirects to new project path' do
        get :show, params: { namespace_id: project.namespace, id: old_path }, format: :git

        expect(response).to redirect_to(project_path(project, format: :git))
      end
    end

    context 'when the project is forked and has a repository', :request_store do
      let(:public_project) { create(:project, :public, :repository) }
      let(:other_user) { create(:user) }

      render_views

      before do
        # View the project as a user that does not have any rights
        sign_in(other_user)

        fork_project(public_project)
      end

      it 'does not increase the number of queries when the project is forked' do
        expected_query = /#{public_project.fork_network.find_forks_in(other_user.namespace).to_sql}/

        expect { get(:show, params: { namespace_id: public_project.namespace, id: public_project }) }
          .not_to exceed_query_limit(2).for_query(expected_query)
      end
    end
  end

  describe 'POST create' do
    subject { post :create, params: { project: params } }

    before do
      sign_in(user)
    end

    context 'on import' do
      let(:params) do
        {
          path: 'foo',
          description: 'bar',
          namespace_id: user.namespace.id,
          import_url: project.http_url_to_repo
        }
      end

      context 'when import by url is disabled' do
        before do
          stub_application_setting(import_sources: [])
        end

        it 'does not create project and reports an error' do
          expect { subject }.not_to change { Project.count }

          expect(response).to have_gitlab_http_status(:not_found)
        end
      end

      context 'when import by url is enabled' do
        before do
          stub_application_setting(import_sources: ['git'])
        end

        it 'creates project' do
          expect { subject }.to change { Project.count }

          expect(response).to have_gitlab_http_status(:redirect)
        end
      end
    end
  end

  describe 'GET edit' do
    it 'allows an admin user to access the page', :enable_admin_mode do
      sign_in(create(:user, :admin))

      get :edit, params: { namespace_id: project.namespace.path, id: project.path }

      expect(response).to have_gitlab_http_status(:ok)
    end

    it 'sets the badge API endpoint' do
      sign_in(user)
      project.add_maintainer(user)

      get :edit, params: { namespace_id: project.namespace.path, id: project.path }

      expect(assigns(:badge_api_endpoint)).not_to be_nil
    end
  end

  describe 'POST #archive' do
    let_it_be(:group) { create(:group) }
    let_it_be(:project) { create(:project, group: group) }

    before do
      sign_in(user)
    end

    context 'for a user with the ability to archive a project' do
      before do
        group.add_owner(user)

        post :archive, params: { namespace_id: project.namespace.path, id: project.path }
      end

      it 'archives the project' do
        expect(project.reload.archived?).to be_truthy
      end

      it 'redirects to projects path' do
        expect(response).to have_gitlab_http_status(:found)
        expect(response).to redirect_to(project_path(project))
      end
    end

    context 'for a user that does not have the ability to archive a project' do
      before do
        project.add_maintainer(user)

        post :archive, params: {
          namespace_id: project.namespace.path,
          id: project.path
        }
      end

      it 'does not archive the project' do
        expect(project.reload.archived?).to be_falsey
      end

      it 'returns 404' do
        expect(response).to have_gitlab_http_status(:not_found)
      end
    end
  end

  describe 'POST #unarchive' do
    let_it_be(:group) { create(:group) }
    let_it_be(:project) { create(:project, :archived, group: group) }

    before do
      sign_in(user)
    end

    context 'for a user with the ability to unarchive a project' do
      before do
        group.add_owner(user)

        post :unarchive, params: {
          namespace_id: project.namespace.path,
          id: project.path
        }
      end

      it 'unarchives the project' do
        expect(project.reload.archived?).to be_falsey
      end

      it 'redirects to projects path' do
        expect(response).to have_gitlab_http_status(:found)
        expect(response).to redirect_to(project_path(project))
      end
    end

    context 'for a user that does not have the ability to unarchive a project' do
      before do
        project.add_maintainer(user)

        post :unarchive, params: {
          namespace_id: project.namespace.path,
          id: project.path
        }
      end

      it 'does not unarchive the project' do
        expect(project.reload.archived?).to be_truthy
      end

      it 'returns 404' do
        expect(response).to have_gitlab_http_status(:not_found)
      end
    end
  end

  describe '#housekeeping' do
    let_it_be(:group) { create(:group) }
    let(:housekeeping_service_dbl) { instance_double(Repositories::HousekeepingService) }
    let(:params) do
      {
        namespace_id: project.namespace.path,
        id: project.path,
        prune: prune
      }
    end

    let(:prune) { nil }
    let_it_be(:project) { create(:project, group: group) }
    let(:housekeeping) { Repositories::HousekeepingService.new(project) }

    subject { post :housekeeping, params: params }

    context 'when authenticated as owner' do
      before do
        group.add_owner(user)
        sign_in(user)

        allow(Repositories::HousekeepingService).to receive(:new).with(project, :eager).and_return(housekeeping)
      end

      it 'forces a full garbage collection' do
        expect(housekeeping).to receive(:execute).once

        post :housekeeping,
          params: {
            namespace_id: project.namespace.path,
            id: project.path
          }

        expect(response).to have_gitlab_http_status(:found)
      end

      it 'logs an audit event' do
        expect(housekeeping).to receive(:execute).once.and_yield

        expect(::Gitlab::Audit::Auditor).to receive(:audit).with(a_hash_including(
          name: 'manually_trigger_housekeeping',
          author: user,
          scope: project,
          target: project,
          message: "Housekeeping task: eager"
        ))

        subject
      end

      context 'and requesting prune' do
        let(:prune) { true }

        it 'enqueues pruning' do
          allow(Repositories::HousekeepingService).to receive(:new).with(project, :prune).and_return(housekeeping_service_dbl)
          expect(housekeeping_service_dbl).to receive(:execute)

          subject
          expect(response).to have_gitlab_http_status(:found)
        end
      end
    end

    context 'when authenticated as developer' do
      let(:developer) { create(:user) }

      before do
        group.add_developer(developer)
      end

      it 'does not execute housekeeping' do
        expect(housekeeping).not_to receive(:execute)

        post :housekeeping,
          params: {
            namespace_id: project.namespace.path,
            id: project.path
          }

        expect(response).to have_gitlab_http_status(:found)
      end
    end
  end

  describe "#update", :enable_admin_mode do
    render_views

    let(:admin) { create(:admin) }

    before do
      sign_in(admin)
    end

    shared_examples_for 'updating a project' do
      context 'when there is a conflicting project path' do
        let(:random_name) { "project-#{SecureRandom.hex(8)}" }
        let!(:conflict_project) { create(:project, name: random_name, path: random_name, namespace: project.namespace) }

        it 'does not show any references to the conflicting path' do
          expect { update_project(path: random_name) }.not_to change { project.reload.path }

          expect(response).to have_gitlab_http_status(:ok)
          expect(response.body).not_to include(random_name)
        end
      end

      context 'when only renaming a project path' do
        it "doesnt change the disk_path when using hashed storage" do
          skip unless project.hashed_storage?(:repository)

          hashed_storage_path = ::Storage::Hashed.new(project).disk_path
          original_repository_path = project.repository.relative_path

          expect { update_project path: 'renamed_path' }.to change { project.reload.path }
          expect(project.path).to include 'renamed_path'

          assign_repository_path = assigns(:repository).relative_path

          expect(original_repository_path).to include(hashed_storage_path)
          expect(assign_repository_path).to include(hashed_storage_path)
        end

        it "upgrades and move project to hashed storage when project was originally legacy" do
          skip if project.hashed_storage?(:repository)

          hashed_storage_path = Storage::Hashed.new(project).disk_path
          original_repository_path = project.repository.relative_path

          expect { update_project path: 'renamed_path' }.to change { project.reload.path }
          expect(project.path).to include 'renamed_path'

          assign_repository_path = assigns(:repository).relative_path

          expect(original_repository_path).not_to include(hashed_storage_path)
          expect(assign_repository_path).to include(hashed_storage_path)
          expect(response).to have_gitlab_http_status(:found)
        end
      end

      context 'when project has container repositories with tags' do
        before do
          stub_container_registry_config(enabled: true)
          stub_container_registry_tags(repository: /image/, tags: %w[rc1])
          create(:container_repository, project: project, name: :image)
        end

        it 'does not allow to rename the project' do
          expect { update_project path: 'renamed_path' }
            .not_to change { project.reload.path }

          expect(controller).to set_flash[:alert].to(s_('UpdateProject|Cannot rename project because it contains container registry tags!'))
          expect(response).to have_gitlab_http_status(:ok)
        end
      end

      it 'updates Fast Forward Merge attributes' do
        controller.instance_variable_set(:@project, project)

        params = {
          merge_method: :ff
        }

        put :update, params: { namespace_id: project.namespace, id: project.id, project: params }

        expect(response).to have_gitlab_http_status(:found)
        params.each do |param, value|
          expect(project.public_send(param)).to eq(value)
        end
      end

      it 'does not update namespace' do
        controller.instance_variable_set(:@project, project)

        params = {
          namespace_id: 'test'
        }

        expect do
          put :update, params: { namespace_id: project.namespace, id: project.id, project: params }
        end.not_to change { project.namespace.reload }
      end

      def update_project(**parameters)
        put :update, params: { namespace_id: project.namespace.path, id: project.path, project: parameters }
      end
    end

    context 'hashed storage' do
      let_it_be(:project) { create(:project, :repository) }

      it_behaves_like 'updating a project'
    end

    context 'legacy storage' do
      let_it_be(:project) { create(:project, :repository, :legacy_storage) }

      it_behaves_like 'updating a project'
    end

    context 'as maintainer' do
      before do
        project.add_maintainer(user)
        sign_in(user)
      end

      it_behaves_like 'unauthorized when external service denies access' do
        subject do
          put :update, params: {
            namespace_id: project.namespace, id: project, project: { description: 'Hello world' }
          }
          project.reload
        end

        it 'updates when the service allows access' do
          external_service_allow_access(user, project)

          expect { subject }.to change(project, :description)
        end

        it 'does not update when the service rejects access' do
          external_service_deny_access(user, project)

          expect { subject }.not_to change(project, :description)
        end
      end
    end

    context 'when updating boolean values on project_settings' do
      using RSpec::Parameterized::TableSyntax

      where(:boolean_value, :result) do
        '1'   | true
        '0'   | false
        1     | true
        0     | false
        true  | true
        false | false
      end

      with_them do
        it 'updates project settings attributes accordingly' do
          put :update, params: {
            namespace_id: project.namespace,
            id: project.path,
            project: {
              project_setting_attributes: {
                show_default_award_emojis: boolean_value,
                enforce_auth_checks_on_uploads: boolean_value
              }
            }
          }

          project.reload

          expect(project.show_default_award_emojis?).to eq(result)
          expect(project.enforce_auth_checks_on_uploads?).to eq(result)
        end
      end
    end

    context 'with project feature attributes' do
      let(:initial_value) { ProjectFeature::PRIVATE }
      let(:update_to) { ProjectFeature::ENABLED }

      before do
        project.project_feature.update!(feature_access_level => initial_value)
      end

      def update_project_feature
        put :update, params: {
          namespace_id: project.namespace,
          id: project.path,
          project: {
            project_feature_attributes: {
              feature_access_level.to_s => update_to
            }
          }
        }
      end

      shared_examples 'feature update success' do
        it 'updates access level successfully' do
          expect { update_project_feature }.to change {
            project.reload.project_feature.public_send(feature_access_level)
          }.from(initial_value).to(update_to)
        end
      end

      shared_examples 'feature update failure' do
        it 'cannot update access level' do
          expect { update_project_feature }.not_to change {
            project.reload.project_feature.public_send(feature_access_level)
          }
        end
      end

      where(:feature_access_level) do
        %i[
          metrics_dashboard_access_level
          container_registry_access_level
          environments_access_level
          feature_flags_access_level
          releases_access_level
          monitor_access_level
          infrastructure_access_level
        ]
      end

      with_them do
        it_behaves_like 'feature update success'
      end
    end
  end

  describe '#transfer', :enable_admin_mode do
    render_views

    let(:project) { create(:project) }

    let_it_be(:admin) { create(:admin) }
    let_it_be(:new_namespace) { create(:namespace) }

    shared_examples 'project namespace is not changed' do |flash_message|
      it 'project namespace is not changed' do
        controller.instance_variable_set(:@project, project)
        sign_in(admin)

        old_namespace = project.namespace

        put :transfer, params: {
          namespace_id: old_namespace.path, new_namespace_id: new_namespace_id, id: project.path
        }, format: :js

        project.reload

        expect(project.namespace).to eq(old_namespace)
        expect(response).to redirect_to(edit_project_path(project))
        expect(flash[:alert]).to eq flash_message
      end
    end

    it 'updates namespace' do
      sign_in(admin)

      put :transfer, params: {
        namespace_id: project.namespace.path, new_namespace_id: new_namespace.id, id: project.path
      }, format: :js

      project.reload

      expect(project.namespace).to eq(new_namespace)
      expect(response).to redirect_to(edit_project_path(project))
    end

    context 'when new namespace is empty' do
      let(:new_namespace_id) { nil }

      it_behaves_like 'project namespace is not changed', s_('TransferProject|Please select a new namespace for your project.')
    end

    context 'when new namespace is the same as the current namespace' do
      let(:new_namespace_id) { project.namespace.id }

      it_behaves_like 'project namespace is not changed', s_('TransferProject|Project is already in this namespace.')
    end
  end

  describe "#destroy", :enable_admin_mode do
    let_it_be(:admin) { create(:admin) }

    it "redirects to the dashboard", :sidekiq_might_not_need_inline do
      controller.instance_variable_set(:@project, project)
      sign_in(admin)

      orig_id = project.id
      delete :destroy, params: { namespace_id: project.namespace, id: project }

      expect { Project.find(orig_id) }.to raise_error(ActiveRecord::RecordNotFound)
      expect(response).to have_gitlab_http_status(:found)
      expect(response).to redirect_to(dashboard_projects_path)
    end

    context "when the project is forked" do
      let(:project) { create(:project, :repository) }
      let(:forked_project) { fork_project(project, nil, repository: true) }
      let(:merge_request) do
        create(:merge_request,
          source_project: forked_project,
          target_project: project)
      end

      it "closes all related merge requests", :sidekiq_might_not_need_inline do
        project.merge_requests << merge_request
        sign_in(admin)

        delete :destroy, params: { namespace_id: forked_project.namespace, id: forked_project }

        expect(merge_request.reload.state).to eq('closed')
      end
    end
  end

  describe 'PUT #new_issuable_address for issue' do
    subject do
      put :new_issuable_address,
        params: {
          namespace_id: project.namespace,
          id: project,
          issuable_type: 'issue'
        }
      user.reload
    end

    before do
      sign_in(user)
      project.add_developer(user)
      allow(Gitlab.config.incoming_email).to receive(:enabled).and_return(true)
    end

    it 'has http status 200' do
      expect(response).to have_gitlab_http_status(:ok)
    end

    it 'changes the user incoming email token' do
      expect { subject }.to change { user.incoming_email_token }
    end

    it 'changes projects new issue address' do
      expect { subject }.to change { project.new_issuable_address(user, 'issue') }
    end
  end

  describe 'PUT #new_issuable_address for merge request' do
    subject do
      put :new_issuable_address,
        params: {
          namespace_id: project.namespace,
          id: project,
          issuable_type: 'merge_request'
        }
      user.reload
    end

    before do
      sign_in(user)
      project.add_developer(user)
      allow(Gitlab.config.incoming_email).to receive(:enabled).and_return(true)
    end

    it 'has http status 200' do
      expect(response).to have_gitlab_http_status(:ok)
    end

    it 'changes the user incoming email token' do
      expect { subject }.to change { user.incoming_email_token }
    end

    it 'changes projects new merge request address' do
      expect { subject }.to change { project.new_issuable_address(user, 'merge_request') }
    end
  end

  describe "POST #toggle_star" do
    it "toggles star if user is signed in" do
      sign_in(user)
      expect(user.starred?(public_project)).to be_falsey

      post :toggle_star, params: { namespace_id: public_project.namespace, id: public_project }
      expect(user.starred?(public_project)).to be_truthy

      post :toggle_star, params: { namespace_id: public_project.namespace, id: public_project }
      expect(user.starred?(public_project)).to be_falsey
    end

    it "does nothing if user is not signed in" do
      post :toggle_star, params: { namespace_id: project.namespace, id: public_project }
      expect(user.starred?(public_project)).to be_falsey

      post :toggle_star, params: { namespace_id: project.namespace, id: public_project }
      expect(user.starred?(public_project)).to be_falsey
    end
  end

  describe "DELETE remove_fork" do
    context 'when signed in' do
      before do
        sign_in(user)
      end

      context 'with forked project' do
        let(:forked_project) { fork_project(create(:project, :public), user) }

        it 'removes fork from project' do
          delete :remove_fork, params: {
            namespace_id: forked_project.namespace.to_param, id: forked_project.to_param
          }, format: :js

          expect(forked_project.reload.forked?).to be_falsey
          expect(flash[:notice]).to eq(s_('The fork relationship has been removed.'))
          expect(response).to redirect_to(edit_project_path(forked_project))
        end
      end

      context 'when project not forked' do
        let(:unforked_project) { create(:project, namespace: user.namespace) }

        it 'does nothing if project was not forked' do
          delete :remove_fork, params: {
            namespace_id: unforked_project.namespace, id: unforked_project
          }, format: :js

          expect(flash[:notice]).to be_nil
          expect(response).to redirect_to(edit_project_path(unforked_project))
        end
      end
    end

    it "does nothing if user is not signed in" do
      delete :remove_fork, params: {
        namespace_id: project.namespace, id: project
      }, format: :js

      expect(response).to have_gitlab_http_status(:unauthorized)
    end
  end

  describe "GET refs" do
    let_it_be(:project) { create(:project, :public, :repository) }

    it 'gets a list of branches and tags' do
      get :refs, params: { namespace_id: project.namespace, id: project, sort: 'updated_desc' }

      expect(json_response['Branches']).to include('master')
      expect(json_response['Tags']).to include('v1.0.0')
      expect(json_response['Commits']).to be_nil
    end

    it "gets a list of branches, tags and commits" do
      get :refs, params: { namespace_id: project.namespace, id: project, ref: "123456" }

      expect(json_response["Branches"]).to include("master")
      expect(json_response["Tags"]).to include("v1.0.0")
      expect(json_response["Commits"]).to include("123456")
    end

    it 'uses gitaly pagination' do
      expected_params = ActionController::Parameters.new(ref: '123456', per_page: 100).permit!

      expect_next_instance_of(BranchesFinder, project.repository, expected_params) do |finder|
        expect(finder).to receive(:execute).with(gitaly_pagination: true).and_call_original
      end

      expect_next_instance_of(TagsFinder, project.repository, expected_params) do |finder|
        expect(finder).to receive(:execute).with(gitaly_pagination: true).and_call_original
      end

      get :refs, params: { namespace_id: project.namespace, id: project, ref: "123456" }
    end

    context 'when gitaly is unavailable' do
      before do
        expect_next_instance_of(TagsFinder) do |finder|
          allow(finder).to receive(:execute).and_raise(Gitlab::Git::CommandError, 'something went wrong')
        end
      end

      it 'responds with 503 error' do
        get :refs, params: { namespace_id: project.namespace, id: project, ref: "123456" }

        expect(response).to have_gitlab_http_status(:service_unavailable)
        expect(json_response['error']).to eq 'Unable to load refs'
      end
    end

    context "when preferred language is Japanese" do
      before do
        user.update!(preferred_language: 'ja')
        sign_in(user)
      end

      it "gets a list of branches, tags and commits" do
        get :refs, params: { namespace_id: project.namespace, id: project, ref: "123456" }

        expect(json_response["Branches"]).to include("master")
        expect(json_response["Tags"]).to include("v1.0.0")
        expect(json_response["Commits"]).to include("123456")
      end
    end

    context 'when private project' do
      let(:project) { create(:project, :repository) }

      context 'as a guest' do
        it 'renders forbidden' do
          user = create(:user)
          project.add_guest(user)

          sign_in(user)
          get :refs, params: { namespace_id: project.namespace, id: project }

          expect(response).to have_gitlab_http_status(:not_found)
        end
      end
    end

    context 'when input params are invalid' do
      let(:request) { get :refs, params: { namespace_id: project.namespace, id: project, ref: { invalid: :format } } }

      it 'does not break' do
        request

        expect(response).to have_gitlab_http_status(:success)
      end
    end

    context 'when sort param is invalid' do
      let(:request) { get :refs, params: { namespace_id: project.namespace, id: project, sort: 'invalid' } }

      it 'uses default sort by name' do
        request

        expect(response).to have_gitlab_http_status(:success)
        expect(json_response['Branches']).to include('master')
        expect(json_response['Tags']).to include('v1.0.0')
        expect(json_response['Commits']).to be_nil
      end
    end
  end

  describe 'POST #preview_markdown' do
    before do
      sign_in(user)
    end

    it 'renders json in a correct format' do
      post :preview_markdown, params: { namespace_id: public_project.namespace, id: public_project, text: '*Markdown* text' }

      expect(json_response.keys).to match_array(%w(body references))
    end

    context 'when not authorized' do
      let(:private_project) { create(:project, :private) }

      it 'returns 404' do
        post :preview_markdown, params: { namespace_id: private_project.namespace, id: private_project, text: '*Markdown* text' }

        expect(response).to have_gitlab_http_status(:not_found)
      end
    end

    context 'state filter on references' do
      let_it_be(:issue) { create(:issue, :closed, project: public_project) }

      let(:merge_request) { create(:merge_request, :closed, target_project: public_project) }

      it 'renders JSON body with state filter for issues' do
        post :preview_markdown, params: {
                                  namespace_id: public_project.namespace,
                                  id: public_project,
                                  text: issue.to_reference
                                }

        expect(json_response['body']).to match(/\##{issue.iid} \(closed\)/)
      end

      it 'renders JSON body with state filter for MRs' do
        post :preview_markdown, params: {
                                  namespace_id: public_project.namespace,
                                  id: public_project,
                                  text: merge_request.to_reference
                                }

        expect(json_response['body']).to match(/!#{merge_request.iid} \(closed\)/)
      end
    end

    context 'when path parameter is provided' do
      let(:project_with_repo) { create(:project, :repository) }
      let(:preview_markdown_params) do
        {
          namespace_id: project_with_repo.namespace,
          id: project_with_repo,
          text: "![](./logo-white.png)\n",
          path: 'files/images/README.md'
        }
      end

      before do
        project_with_repo.add_maintainer(user)
      end

      it 'renders JSON body with image links expanded' do
        expanded_path = "/#{project_with_repo.full_path}/-/raw/master/files/images/logo-white.png"

        post :preview_markdown, params: preview_markdown_params

        expect(json_response['body']).to include(expanded_path)
      end
    end

    context 'when path and ref parameters are provided' do
      let(:project_with_repo) { create(:project, :repository) }
      let(:preview_markdown_params) do
        {
          namespace_id: project_with_repo.namespace,
          id: project_with_repo,
          text: "![](./logo-white.png)\n",
          ref: 'other_branch',
          path: 'files/images/README.md'
        }
      end

      before do
        project_with_repo.add_maintainer(user)
        project_with_repo.repository.create_branch('other_branch')
      end

      it 'renders JSON body with image links expanded' do
        expanded_path = "/#{project_with_repo.full_path}/-/raw/other_branch/files/images/logo-white.png"

        post :preview_markdown, params: preview_markdown_params

        expect(json_response['body']).to include(expanded_path)
      end
    end
  end

  describe '#ensure_canonical_path' do
    before do
      sign_in(user)
    end

    context 'for a GET request' do
      context 'when requesting the canonical path' do
        context "with exactly matching casing" do
          it "loads the project" do
            get :show, params: { namespace_id: public_project.namespace, id: public_project }

            expect(assigns(:project)).to eq(public_project)
            expect(response).to have_gitlab_http_status(:ok)
          end
        end

        context "with different casing" do
          it "redirects to the normalized path" do
            get :show, params: { namespace_id: public_project.namespace, id: public_project.path.upcase }

            expect(assigns(:project)).to eq(public_project)
            expect(response).to redirect_to("/#{public_project.full_path}")
            expect(controller).not_to set_flash[:notice]
          end
        end
      end

      context 'when requesting a redirected path' do
        let!(:redirect_route) { public_project.redirect_routes.create!(path: "foo/bar") }

        it 'redirects to the canonical path' do
          get :show, params: { namespace_id: 'foo', id: 'bar' }

          expect(response).to redirect_to(public_project)
          expect(controller).to set_flash[:notice].to(project_moved_message(redirect_route, public_project))
        end

        it 'redirects to the canonical path (testing non-show action)' do
          get :refs, params: { namespace_id: 'foo', id: 'bar' }

          expect(response).to redirect_to(refs_project_path(public_project))
          expect(controller).to set_flash[:notice].to(project_moved_message(redirect_route, public_project))
        end
      end
    end

    context 'for a POST request' do
      context 'when requesting the canonical path with different casing' do
        it 'does not 404' do
          post :toggle_star, params: { namespace_id: public_project.namespace, id: public_project.path.upcase }

          expect(response).not_to have_gitlab_http_status(:not_found)
        end

        it 'does not redirect to the correct casing' do
          post :toggle_star, params: { namespace_id: public_project.namespace, id: public_project.path.upcase }

          expect(response).not_to have_gitlab_http_status(:moved_permanently)
        end
      end

      context 'when requesting a redirected path' do
        let!(:redirect_route) { public_project.redirect_routes.create!(path: "foo/bar") }

        it 'returns not found' do
          post :toggle_star, params: { namespace_id: 'foo', id: 'bar' }

          expect(response).to have_gitlab_http_status(:not_found)
        end
      end
    end

    context 'for a DELETE request', :enable_admin_mode do
      before do
        sign_in(create(:admin))
      end

      context 'when requesting the canonical path with different casing' do
        it 'does not 404' do
          delete :destroy, params: { namespace_id: project.namespace, id: project.path.upcase }

          expect(response).not_to have_gitlab_http_status(:not_found)
        end

        it 'does not redirect to the correct casing' do
          delete :destroy, params: { namespace_id: project.namespace, id: project.path.upcase }

          expect(response).not_to have_gitlab_http_status(:moved_permanently)
        end
      end

      context 'when requesting a redirected path' do
        let!(:redirect_route) { project.redirect_routes.create!(path: "foo/bar") }

        it 'returns not found' do
          delete :destroy, params: { namespace_id: 'foo', id: 'bar' }

          expect(response).to have_gitlab_http_status(:not_found)
        end
      end
    end
  end

  describe 'project export' do
    before do
      sign_in(user)

      project.add_maintainer(user)
    end

    shared_examples 'rate limits project export endpoint' do
      before do
        allow_next_instance_of(Gitlab::ApplicationRateLimiter::BaseStrategy) do |strategy|
          allow(strategy)
            .to receive(:increment)
            .and_return(Gitlab::ApplicationRateLimiter.rate_limits["project_#{action}".to_sym][:threshold].call + 1)
        end
      end

      it 'prevents requesting project export' do
        post action, params: { namespace_id: project.namespace, id: project }

        expect(response.body).to eq('This endpoint has been requested too many times. Try again later.')
        expect(response).to have_gitlab_http_status(:too_many_requests)
      end
    end

    describe '#export' do
      let(:action) { :export }

      context 'when project export is enabled' do
        it 'returns 302' do
          post action, params: { namespace_id: project.namespace, id: project }

          expect(response).to have_gitlab_http_status(:found)
        end

        context 'when the project storage_size exceeds the application setting max_export_size' do
          it 'returns 302 with alert' do
            stub_application_setting(max_export_size: 1)
            project.statistics.update!(lfs_objects_size: 2.megabytes, repository_size: 2.megabytes)

            post action, params: { namespace_id: project.namespace, id: project }

            expect(response).to have_gitlab_http_status(:found)
            expect(flash[:alert]).to include('The project size exceeds the export limit.')
          end
        end

        context 'when the project storage_size does not exceed the application setting max_export_size' do
          it 'returns 302 without alert' do
            stub_application_setting(max_export_size: 1)
            project.statistics.update!(lfs_objects_size: 0.megabytes, repository_size: 0.megabytes)

            post action, params: { namespace_id: project.namespace, id: project }

            expect(response).to have_gitlab_http_status(:found)
            expect(flash[:alert]).to be_nil
          end
        end

        context 'when application setting max_export_size is not set' do
          it 'returns 302 without alert' do
            project.statistics.update!(lfs_objects_size: 2.megabytes, repository_size: 2.megabytes)

            post action, params: { namespace_id: project.namespace, id: project }

            expect(response).to have_gitlab_http_status(:found)
            expect(flash[:alert]).to be_nil
          end
        end
      end

      context 'when project export is disabled' do
        before do
          stub_application_setting(project_export_enabled?: false)
        end

        it 'returns 404' do
          post action, params: { namespace_id: project.namespace, id: project }

          expect(response).to have_gitlab_http_status(:not_found)
        end
      end

      context 'when the endpoint receives requests above the limit', :clean_gitlab_redis_rate_limiting do
        include_examples 'rate limits project export endpoint'
      end
    end

    describe '#download_export', :clean_gitlab_redis_rate_limiting do
      let(:project) { create(:project, :with_export, service_desk_enabled: false) }
      let(:action) { :download_export }

      context 'object storage enabled' do
        context 'when project export is enabled' do
          it 'returns 200' do
            get action, params: { namespace_id: project.namespace, id: project }

            expect(response).to have_gitlab_http_status(:ok)
          end
        end

        context 'when project export file is absent' do
          it 'alerts the user and returns 302' do
            project.export_file.file.delete

            get action, params: { namespace_id: project.namespace, id: project }

            expect(flash[:alert]).to include('file containing the export is not available yet')
            expect(response).to have_gitlab_http_status(:found)
          end
        end

        context 'when project export is disabled' do
          before do
            stub_application_setting(project_export_enabled?: false)
          end

          it 'returns 404' do
            get action, params: { namespace_id: project.namespace, id: project }

            expect(response).to have_gitlab_http_status(:not_found)
          end
        end

        context 'when the endpoint receives requests above the limit', :clean_gitlab_redis_rate_limiting do
          before do
            allow_next_instance_of(Gitlab::ApplicationRateLimiter::BaseStrategy) do |strategy|
              allow(strategy)
                .to receive(:increment)
                .and_return(Gitlab::ApplicationRateLimiter.rate_limits[:project_download_export][:threshold].call + 1)
            end
          end

          it 'prevents requesting project export' do
            post action, params: { namespace_id: project.namespace, id: project }

            expect(response.body).to eq('This endpoint has been requested too many times. Try again later.')
            expect(response).to have_gitlab_http_status(:too_many_requests)
          end
        end

        context 'applies correct scope when throttling', :clean_gitlab_redis_rate_limiting do
          before do
            stub_application_setting(project_download_export_limit: 1)

            travel_to Date.current.beginning_of_day
          end

          after do
            travel_back
          end

          it 'applies throttle per namespace' do
            expect(Gitlab::ApplicationRateLimiter)
              .to receive(:throttled?)
              .with(:project_download_export, scope: [user, project.namespace])

            post action, params: { namespace_id: project.namespace, id: project }
          end

          it 'throttles downloads within same namespaces' do
            # simulate prior request to the same namespace, which increments the rate limit counter for that scope
            Gitlab::ApplicationRateLimiter.throttled?(:project_download_export, scope: [user, project.namespace])

            get action, params: { namespace_id: project.namespace, id: project }
            expect(response).to have_gitlab_http_status(:too_many_requests)
          end

          it 'allows downloads from different namespaces' do
            # simulate prior request to a different namespace, which increments the rate limit counter for that scope
            Gitlab::ApplicationRateLimiter.throttled?(:project_download_export,
              scope: [user, create(:project, :with_export).namespace])

            get action, params: { namespace_id: project.namespace, id: project }
            expect(response).to have_gitlab_http_status(:ok)
          end
        end
      end
    end

    describe '#remove_export' do
      let(:action) { :remove_export }

      context 'when project export is enabled' do
        it 'returns 302' do
          post action, params: { namespace_id: project.namespace, id: project }

          expect(response).to have_gitlab_http_status(:found)
        end
      end

      context 'when project export is disabled' do
        before do
          stub_application_setting(project_export_enabled?: false)
        end

        it 'returns 404' do
          post action, params: { namespace_id: project.namespace, id: project }

          expect(response).to have_gitlab_http_status(:not_found)
        end
      end
    end

    describe '#generate_new_export' do
      let(:action) { :generate_new_export }

      context 'when project export is enabled' do
        it 'returns 302' do
          post action, params: { namespace_id: project.namespace, id: project }

          expect(response).to have_gitlab_http_status(:found)
        end
      end

      context 'when project export is disabled' do
        before do
          stub_application_setting(project_export_enabled?: false)
        end

        it 'returns 404' do
          post action, params: { namespace_id: project.namespace, id: project }

          expect(response).to have_gitlab_http_status(:not_found)
        end
      end

      context 'when the endpoint receives requests above the limit', :clean_gitlab_redis_rate_limiting do
        include_examples 'rate limits project export endpoint'
      end
    end
  end

  context 'GET show.atom' do
    let_it_be(:public_project) { create(:project, :public) }
    let_it_be(:event) { create(:event, :commented, project: public_project, target: create(:note, project: public_project)) }
    let_it_be(:invisible_event) { create(:event, :commented, project: public_project, target: create(:note, :confidential, project: public_project)) }

    it 'filters by calling event.visible_to_user?' do
      expect(EventCollection).to receive_message_chain(:new, :to_a).and_return([event, invisible_event])
      expect(event).to receive(:visible_to_user?).and_return(true)
      expect(invisible_event).to receive(:visible_to_user?).and_return(false)

      get :show, format: :atom, params: { id: public_project, namespace_id: public_project.namespace }

      expect(response).to have_gitlab_http_status(:success)
      expect(response).to render_template(:show)
      expect(response).to render_template(layout: :xml)
      expect(assigns(:events)).to eq([event])
    end

    it 'filters by calling event.visible_to_user?' do
      get :show, format: :atom, params: { id: public_project, namespace_id: public_project.namespace }

      expect(response).to have_gitlab_http_status(:success)
      expect(response).to render_template(:show)
      expect(response).to render_template(layout: :xml)
      expect(assigns(:events)).to eq([event])
    end
  end

  it 'updates Service Desk attributes' do
    project.add_maintainer(user)
    sign_in(user)
    allow(Gitlab::Email::IncomingEmail).to receive(:enabled?) { true }
    allow(Gitlab::Email::IncomingEmail).to receive(:supports_wildcard?) { true }
    params = {
      service_desk_enabled: true
    }

    put :update, params: { namespace_id: project.namespace, id: project, project: params }
    project.reload

    expect(response).to have_gitlab_http_status(:found)
    expect(project.service_desk_enabled).to eq(true)
  end

  def project_moved_message(redirect_route, project)
    "Project '#{redirect_route.path}' was moved to '#{project.full_path}'. Please update any links and bookmarks that may still have the old path."
  end

  describe 'GET #unfoldered_environment_names' do
    it 'shows the environment names of a public project to an anonymous user' do
      create(:environment, project: public_project, name: 'foo')

      get(
        :unfoldered_environment_names,
        params: { namespace_id: public_project.namespace, id: public_project, format: :json }
      )

      expect(response).to have_gitlab_http_status(:ok)
      expect(json_response).to eq(%w[foo])
    end

    it 'does not show environment names of a private project to anonymous users' do
      create(:environment, project: project, name: 'foo')

      get(
        :unfoldered_environment_names,
        params: { namespace_id: project.namespace, id: project, format: :json }
      )

      expect(response).to redirect_to(new_user_session_path)
    end

    it 'shows environment names of a private project to a project member' do
      create(:environment, project: project, name: 'foo')
      project.add_developer(user)
      sign_in(user)

      get(
        :unfoldered_environment_names,
        params: { namespace_id: project.namespace, id: project, format: :json }
      )

      expect(response).to have_gitlab_http_status(:ok)
      expect(json_response).to eq(%w[foo])
    end

    it 'does not show environment names of a private project to a logged-in non-member' do
      create(:environment, project: project, name: 'foo')
      sign_in(user)

      get(
        :unfoldered_environment_names,
        params: { namespace_id: project.namespace, id: project, format: :json }
      )

      expect(response).to have_gitlab_http_status(:not_found)
    end
  end
end